<template>
  <div>
    <!-- 顶部元素       -->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
           <a :class="['mui-control-item', item.id == 0 ? 'mui-active' : '']" v-for="item in cates" :key="item.id" @tap="getPhotoListByCateId(item.id)">
            {{ item.title }}
          </a>
        </div>
      </div>
    </div>
    <!-- /图片元素 -->
    <ul class="photo-list">
      <router-link v-for="item in list" :key="item.id" :to="'/myhome/photoinfo/' + item.id" tag="li">
        <img v-lazy="item.img_url">
        <div class="info">
          <h1 class="info-title">{{ item.title }}</h1>
          <div class="info-body">{{ item.zhaiyao }}</div>
        </div>
      </router-link>
    </ul>
  </div>

</template>

<script>
import mui from'../../lib/mui/js/mui.min.js';
import {getcate} from '@/api';
import {getImg} from '@/api';
export default {
  data(){
    return{
      cates:[],
      list:[]
    }
  },
  created(){
    this.getAlls();
    this.getPhoto(0)
  },
  mounted() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration:0.0005//flick  减速锡类,系数越大,滚动速度越慢
    })
  },
  methods: {
    //获取页面头部信息的
    getAlls(){
      getcate().then(result =>{
        // console.log(res,777);
        if (result.data.status === 0) {
          // 手动拼接出一个最完整的 分类列表
          result.data.message.unshift({ title: "全部", id: 0 });
          this.cates = result.data.message;
          }
        
      })
    },
    //通过id获取图片信息
    getPhoto(cateId){
      getImg(cateId).then(res=>{
          // console.log(res,888);
          if(res.data.status==0){
            this.list = res.data.message;
          }
          
      })
    }


  },
};
</script>

<style lang="less" scoped>
* {
  touch-action: pan-y;
}

.photo-list {
  list-style: none;
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
  li {
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
    img {
      width: 100%;
      vertical-align: middle;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }

    .info {
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      max-height: 84px;
      overflow: hidden;
      .info-title {
        font-size: 14px;
      }
      .info-body {
        font-size: 13px;
      }
    }
  }
}
</style>

